phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bb64ace2346716a473c0a0a8cc25c4e3' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('bb64ace2346716a473c0a0a8cc25c4e3', -1, 1768510567, 1768510567, 'd849d89f', -4, 0, 0)

Line : 187
File : sessions.php